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what does the centre of possitive & ngative charge means
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i am really confused with the no negative marking in some sections of paper 1and paper 2 of iit jee. i mean to say if a student marks all the ovals he will get full marks right. please explain. and also plz explain about various sections in paper 1 and 2 and to attempt it actually my iit paper. i would be wonderful if u please share ur experience for ur iit paper, how sir u attempted it and made it to the top, plz sir help me to crack the iit jee code!!! i can if u help me out.
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Can i get a rank between 1 to 50 in VITEEE exams within these 23 days of time? Please sir suggest me good tips and method to crack this exam elaborately.
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Can i get a rank between 1 to 50 in VITEEE within these 23 days of time? please suggest me elaborately and give me good tips.
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A, B ,C three vectors with magnitude a,b,c respectively then the maximum value of
(A-B)2 + (B-C)2 + (C-A)2
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if x + y+ z = 1 then minimum value of xy(x + y)2 + yz(y + z)2 + zx(z + x)2 is________________
where x,y.z >0
a)6xyz b)4xyz c)3xyz
ans b
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if the circle x2 + y2 + 4x + 22y +c = 0 bisects, the circumference of the circle x2 + y2 + -2x + 8y - d = 0
, where c,d are positive , then the maximum value of cd is ___________
a) 25 b) 125 c)425 d) 625
ans ) 625
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is is true that a student can score 93 marks easily in iitjee????
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An ideal gas is expanding such that PT2=constant (2 is the power of T ). The coefficient of volume expansion of the gas is ----------------------.
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5.6 liter of He gas at STP is adiabatically compressed to 0.7 liter. Taking the initial temperature to be T1 , the work done in this process -------------------.
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find value of limit (x tends to infinity) summation(i=1 to x) 1 Sin(pi)x
x 2x
and also find value of limit(x tends to infinity) (x-3)x
(x+2)x
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following are my doubts:
1)integrate: x2 dx / (xsinx+cosx)2
2)six dice are thrown 729 times. how many times do you expect at least three dice to show a five or six?
3)if function f(x)=(4x -1)3 is continous at x=0 then f(0)=?
sin x log(1+x2)
4 3
4) a radioactive substance disintegrates at a rate proportional to amount of substance present.if 50% of the given amount disintegrates in 1600yrs. what % of the substance disintegrates in 10 years
( e-log2/160=0.9957)
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sir what is theory of everything, and worm holes, and is it possible to use black holes as a means to travel into other dimension or space??
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good evening sir,
sir can you please tell me how to attempt actual my AIEEE and IIT JEE 2012 exam since i am writing offline examination.(i mean which section to start with, and since we would be given an ORS sheet to darken the correct bubble against correct answer, i want to know whether to darken it, when i get the answer or at last and some other very important tips to attempt my actual AIEEE and IITJEE exam or any MCQ exams which i take say mock tests in this website, i hope sir u will help me a lot)
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In test-3 Q.10: H2C2O4 and KHC2O4 behave both as acids and reductants . Amongst the following the true statements is/are
Equal volumes of 1M solution of each is oxidized by equal volumes of 1M KMNO4 Their equivalent masses are equal to respective molecular masses when behaving as reductant agent.V ml of 1M solution of each is neutralized by equal volumes of 1M NaOHV ml of 1N solution of each (as an acid)is neutralized by equal volumes of 1M Ca(OH)2
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if function,f(x) =x sin(1/x), then lim x tends to 0( f(x)) =?
answer = 0
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my question is not related to any subject.
my question is that "IS IIT PATTERN CHANGED AND BECOME ISEET?"
please send me the syllabus and more details about that
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does capacitors allow ac current? if yes or no please explain why?
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the length of a seconds pendulum at a place is 1.02 m. find the time period of another simple pendulum of length 0.51 m at the same place.
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a brass disc is snugly fitted into the hole of a steel plate. by what method- by heating or cooling the disc can be removed from the plate?
